This pattern can be explained by the principle of natural selection. Natural selection. Natural selection is one of the basic mechanisms of evolution, along with mutation, migration and genetic drift. In natural selection those variations in the Genotype that increase the organisms chances of survival and procreation are preserved and multiplied from generation to generation at the expense of less advantageous ones.
Answer:
Explanation:
A build up of plaque in the lining of an artery.Plaque is made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries
Answer:
Estrous cycles give females repeated opportunities to become pregnant throughout their productive lifetime. The cycle is regulated by the hypothalamic-pituitary-gonadal axis, which produces hormones that dictate reproductive events.
Explanation:
Uterus<span>Once girls become sexually mature, the outer labia and the mons pubis are covered by pubic hair. A female's internal reproductive organs are the vagina, uterus,fallopian tubes, and ovaries. The vagina is a muscular, hollow tube that extends from the vaginal opening to the <span>uterus</span></span>
Answer:
C. no growth
Explanation:
Coal is fossil fuel, its supply is limited and it takes millions of years to form. We humans use a lot of coal to meet our energy needs. The higher the population growth, the greater the need for energy and more coal will be taken from the earth's coal supply. One day this supply will run out as the population keeps growing.
For coal supplies available on earth to last longer would require no population growth, so our energy needs would not grow as it would be equal to the size of the population we now have.
